<< >> NASA ASRS Report 363096, March 1997

Mdt aircraft taxiing from FBO to gate in blowing snow inadvertently encroached on runway. Flight crew realized it and stopped, but ground controller told them to taxi across due to landing traffic. Rptrs claim taxiway and runway markings were obstructed by snow.

Attributes
ACN	363096
Time
Date	199703
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : msp
State Reference	MN
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	Marginal
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	ground other : taxi
Flight Plan	None
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 120 flight time total : 6900 flight time type : 120
ASRS Report	363096
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 270 flight time total : 8000 flight time type : 400
ASRS Report	363398
Events
Anomaly	incursion : runway non adherence : clearance
Independent Detector	other controllera other flight crewa
Resolutory Action	controller : issued new clearance other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Taxi instructions were, taxi via taxiway V and hold short runway 29L. We were taxiing from FBO to gate in msp. We taxied past the hold short line and onto runway 29L before we noticed we were on the runway. We stopped immediately. Nose of the aircraft was on the runway. Ground control then advised us that we were supposed to hold short. ATC advised us an aircraft was landing and to continue across the runway. The txwys were snow covered and we could not see the hold short line. Runway signs were obstructed with snow. Visibility was low due to blowing snow. We were unable to distinguish between taxiway and runway. We were unfamiliar with the area and WX conditions were major factors in this problem. The ground control should advise the taxiing aircraft of runway and taxiway signs being covered by snow. This warning would alert the crew of a potential hazardous situation.

Related reports:

• Flight crew of A319 inadvertently encroached hold short line...

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Original NASA ASRS Text

Title: MDT ACFT TAXIING FROM FBO TO GATE IN BLOWING SNOW INADVERTENTLY ENCROACHED ON RWY. FLC REALIZED IT AND STOPPED, BUT GND CTLR TOLD THEM TO TAXI ACROSS DUE TO LNDG TFC. RPTRS CLAIM TXWY AND RWY MARKINGS WERE OBSTRUCTED BY SNOW.

Narrative: TAXI INSTRUCTIONS WERE, TAXI VIA TXWY V AND HOLD SHORT RWY 29L. WE WERE TAXIING FROM FBO TO GATE IN MSP. WE TAXIED PAST THE HOLD SHORT LINE AND ONTO RWY 29L BEFORE WE NOTICED WE WERE ON THE RWY. WE STOPPED IMMEDIATELY. NOSE OF THE ACFT WAS ON THE RWY. GND CTL THEN ADVISED US THAT WE WERE SUPPOSED TO HOLD SHORT. ATC ADVISED US AN ACFT WAS LNDG AND TO CONTINUE ACROSS THE RWY. THE TXWYS WERE SNOW COVERED AND WE COULD NOT SEE THE HOLD SHORT LINE. RWY SIGNS WERE OBSTRUCTED WITH SNOW. VISIBILITY WAS LOW DUE TO BLOWING SNOW. WE WERE UNABLE TO DISTINGUISH BTWN TXWY AND RWY. WE WERE UNFAMILIAR WITH THE AREA AND WX CONDITIONS WERE MAJOR FACTORS IN THIS PROB. THE GND CTL SHOULD ADVISE THE TAXIING ACFT OF RWY AND TXWY SIGNS BEING COVERED BY SNOW. THIS WARNING WOULD ALERT THE CREW OF A POTENTIAL HAZARDOUS SIT.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.